Our client company is a rapidly growing UK-based fintech building a next-generation international payments and FX platform. Regulated by the FCA as an Electronic Money Institution, they help businesses around the world pay and get paid in multiple currencies — simply, fast, and without borders.
As they scale their core R&D team, they’re looking for a Senior Fullstack Engineer who’s product-oriented, proactive, and thrives in an environment where engineering drives business impact. If you enjoy autonomy, smart teammates, and real ownership — this is a place where your work matters.
What you’ll be working on: * Building and evolving core features across the platform using React, Node.js, PostgreSQL, and MongoDB * Designing scalable APIs (REST, GraphQL) and robust backend architecture * Shipping features end-to-end in collaboration with design, product, and ops * Owning technical decisions in a modern cloud-native setup (AWS, Docker) * Driving best practices, improving performance, and mentoring teammates
We’re looking for someone who: * Has 5+ years of experience in a fullstack role * Writes clean, scalable code and cares about architecture as much as execution * Is confident working with React, Node.js, and cloud environments (preferably AWS) * Speaks English at B2+ level — you’ll be collaborating with an international team * Enjoys autonomy, thrives in a startup-style setup, and is comfortable making decisions * Will be a plus: fintech or payment-related experience * Will be a plus: experience working in large SaaS companies
✨ What makes this opportunity special: * You’ll join a lean, senior team where decisions are fast and your voice matters * You’ll work closely with product and business teams to deliver real customer value * You’ll enjoy minimal meetings, async communication, and focus time * You’ll use a modern, well-maintained stack: PostgreSQL, MongoDB, Node.js, React, GraphQL, Cypress, Jest, Docker, AWS
Contract & perks: * Full-time B2B cooperation * Paid vacation and sick leave * Hybrid or remote setup — you can work from anywhere, or optionally join team hubs in Lisbon or Bucharest * Transparent roadmap, supportive culture, and direct access to leadership
If you’re looking for a role where you can build, own, and grow — this team is ready for you.
